Difference between revisions of "Bill of material"

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== Membrane Pump ==
It is necessary to use an air pump which is stabilized and has a known airflow or use an airflow meter. We tested with Thomas 1410V (12V - ~300€) or 2002 (3.3V - ~150€) Diaphragm Pumps
The airflow is mandatory for correct calculation and has to be adjusted in the python script - we're happy to help you out here, just contact us.
== Filter Paper ==
Pallflex T60A20 Filter Paper was used during developement and is sadly discontinued. We have a small stock of T60A20 left, so we may send you some material. <br><br>


We're testing the better available https://www.amazon.com/7194-Non-Heat-Pallflex-Tissuquartz-Laboratory/dp/B0731SG18R. <br>
== Overview of parts ==
Or you may send us a sample of your filter paper and we happily calibrate bcMeter with it!<br>
[[File:bcMeter_parts.jpg|thumb|none|800px]]


== Bill of Material for general purpose PCB (THT components & 12V DC Barrel Jack) ==


=== [https://www.mouser.de/ProjectManager/ProjectDetail.aspx?AccessID=0f6a28fa20 '''Link to mouser basket'''] '''for one-click-order''' contains the following parts: ===
<br clear=all>


{| class="wikitable sortable"
== Mandatory ==
|+ bcMeter Bill of Materials
0. bcMeter Pi Hat (order it prepopulated (~95€) or build your own by producing the PCB and assembling the components (~5€ without componentes each for 10+ orders on jlcpcb or similar)) <br />
| align="center" style="background:#f0f0f0;"|'''Mfr. No'''
1. Raspberry Pi 3A or Zero 2 W (~35€)<br/>
| align="center" style="background:#f0f0f0;"|'''Manufacturer'''
2. MicroSD Card(~10€)<br/>
3. Power Supply 5.25V/2A (~15€)<br/>
4. Air Pump (~10-200€)
 
===== I always have a stock of populated PCBs available, just [https://bcmeter.org/#contact contact] me, if interested. =====
 
[[File:Bildschirmfoto 2024-10-13 um 21.44.39.jpg|thumb|none]]
 
== Print the Case ==
 
STL for 3D Printing (SLA or FDM) [https://github.com/bcmeter/bcmeter/tree/main/stl github repository]  - printing material ~10€<br>
<br>Use black filament / resin. FDM is prone to leakage if not properly set up. If possible, mix resin with flex resin.<br>
 
I'm using Elegoo Jupiter, Saturn and Anycubic Mono M5 - if you have any questions, let me know!
 
== Filter Paper (H) ==
We're using AE33 filter Paper with bcMeter. You can use any filter which scattering factor is know. <br>
You may send us a sample of your filter paper and we happily calibrate bcMeter with it!<br>
We can also provide you with a small amount of filter paper to get started.  
 
 
== Amazon Links for additional Material (~75€) ==  
 
{| {{table}}
| align="center" style="background:#f0f0f0;"|'''Description'''
| align="center" style="background:#f0f0f0;"|'''Description'''
| align="center" style="background:#f0f0f0;"|'''Order Qty.'''
| align="center" style="background:#f0f0f0;"|'''Quantity'''
| align="center" style="background:#f0f0f0;"|'''Price (EUR)'''
| align="center" style="background:#f0f0f0;"|'''Price'''
| align="center" style="background:#f0f0f0;"|'''Ext.: (EUR)'''
| align="center" style="background:#f0f0f0;"|'''Link'''
|-
| 22AWG Wire||1||$9.99 ||https://www.amazon.com/NorthPada-Electronic-Electrical-Tinned-Voltage/dp/B08979VWP5/ref=sr_1_15?dchild=1&keywords=22+awg+wire&qid=1626014422&sr=8-15
|-
|-
| 110991027||Seeed Studio||Development Boards & Kits - ARM Seeed Rasp Pi Zero W Barebones Kit||1||21,48 €||21,48 €
| Hot Glue||1||$6.99||https://www.amazon.com/Baffo-Adhesive-Project-Craftwork-Diameter/dp/B07XC3VJRH/ref=sr_1_8?__mk_de_DE=%C3%85M%C3%85%C5%BD%C3%95%C3%91&dchild=1&keywords=hot+glue+black+sticks&qid=1626014378&refresh=1&sr=8-8
|-
|-
| MCP3426A6-E/MS||Microchip||Analog to Digital Converters - ADC 16bit deltasigma ADC dual channel 15sps||1||2,35 €||2,35 €
| Rubber Band||1||$12.95||https://www.amazon.com/Neoprene-Rubber-Black-Self-Adhesive-Sponge/dp/B00EE9HTPW/ref=sr_1_10?dchild=1&keywords=Rubber+Shore+A+tape&qid=1626014507&sr=8-10
|-
|-
| IRL 81A||Osram Opto Semiconductor||Infrared Emitters Infrared 850nm Half Angle +/-12DEG||2||0,881 €||1,76 €
| Silicone Hose||1||$3.99||https://www.amazon.com/Silicone-Vacuum-Hose-Performance-Black/dp/B07792YB15/ref=sr_1_14?dchild=1&keywords=silicone+hose+5mm&qid=1626014620&sr=8-14
|-
| m3 Threads||1||$12.59||https://www.amazon.com/iplusmile-Embedment-Threaded-Printing-Projects/dp/B087NBYF65/ref=sr_1_43?dchild=1&keywords=m3+screw+threads&qid=1626014698&sr=8-43
|-
| M3 Phillips Screw||1||$7.29||https://www.amazon.com/uxcell-Stainless-Phillips-Machine-Combine/dp/B07P3ZJN2K/ref=sr_1_18?dchild=1&keywords=m3+screws+8mm&qid=1626014873&sr=8-18
|-
| M3x8mm Hex Screws||1||$8.49||https://www.amazon.com/uxcell-M3x8mm-Thread-Button-Socket/dp/B01B1OD62C/ref=sr_1_3?dchild=1&keywords=m3+screws+8mm&qid=1626014812&sr=8-3
|-
| SanDisk 16GB 3-Pack||1||$17.48||https://www.amazon.com/SanDisk-3-Pack-microSDHC-Memory-3x16GB/dp/B089DPCJS1/ref=sr_1_11?dchild=1&keywords=microSD+Card&qid=1626014929&refinements=p_36%3A1253503011&rnid=386442011&s=pc&sr=1-11
|-
|-
| LPT 80A||Osram Opto Semiconductor||Standard LEDs - SMD PHOTOTRANSISTOR||2||0,762 €||1,52 €
|  
|}
 
== BOM of bcMeter Components ~250€ ex VAT ==
 
 
{| class="wikitable collapsible autocollapse sortable"
! # !! Position !! Product number !! Description !!  Quantity per bcMete !! Price per component !! Quantity 1 bcMeter !! Sum !! VAT 19%  !! Total
|-
|-
| RCER72A103K0K1H03B||Murata||Multilayer Ceramic Capacitors MLCC - Leaded 0.01uF 100volts X7R LS=5mm +/-10%||3||0,474 €||1,42 €
| 1 || C1 || EEE-FK1K4R7L || 4.7uF || 1 || 0,50 € || 1 || 0,50 € || 0,10 € || 0,60 €
|-
|-
| TAP334M035SCS||AVX||Tantalum Capacitors - Solid Leaded 35V 0.33uF 20% ESR=1 5 Ohm||2||0,551 €||1,10 €
| 2 || C2, C12 || CC0805KRX7R9BB104 || 100nF || 2 || 0,10 € || 2 || 0,20 € || 0,04 € || 0,24 €
|-
|-
| CON-SOCJ-2155||Gravitech||DC Power Connectors Power Jack/Connector 2.1mm x 5.5mm||1||1,01 €||1,01 €
| 3 || C3, C13 || AC0805KKX7R9BB105 || 1uF || 2 || 0,50 € || 2 || 1,00 € || 0,19 € || 1,19 €
|-
|-
| K102K15X7RF53H5G||Vishay||Multilayer Ceramic Capacitors MLCC - Leaded 50V 1nF 10% X7R e3 Auto||3||0,313 €||0,94 €
| 4 || C4 || EEE-FP1C101AP || 100uF || 1 || 0,60 € || 1 || 0,60 € || 0,11 € || 0,71 €
|-
|-
| RDEC71E106K2M1H03A||Murata||Multilayer Ceramic Capacitors MLCC - Leaded 10uF 25volts X7S 10%||1||0,864 €||0,86 €
| 5 || C5 || TMCMC1D106MTRF || 10uF Tantal || 1 || 1,00 € || 1 || 1,00 € || 0,19 € || 1,19 €
|-
|-
| RDER71E104K0M1H03A||Murata||Multilayer Ceramic Capacitors MLCC - Leaded 0.1uF 25volts X7R 10 %||2||0,398 €||0,80 €
| 6 || C6 || CC0805KRX7R9BB104 || 0u1 || 1 || 0,10 € || 1 || 0,10 € || 0,02 € || 0,12 €
|-
|-
| L7805CV||STMicroelectronics||Linear Voltage Regulators 5.0V 1.0A Positive||1||0,567 €||0,57 €
| 7 || C7, C10 || CC0805KPX7RABB102 || 1nF || 2 || 0,10 € || 2 || 0,20 € || 0,04 € || 0,24 €
|-
|-
| L7809CV||STMicroelectronics||Linear Voltage Regulators 9.0V 1.0A Positive||1||0,415 €||0,42 €
| 8 || C8, C11 || AC0805JRX7R9BB103 || 10nF || 2 || 0,25 € || 2 || 0,50 € || 0,10 € || 0,60 €
|-
|-
| MMBT3904-G||Comchip Technology||Bipolar Transistors - BJT VCEO=40V IC=200mA||1||0,186 €||0,19 €
| 9 || C9, C14 || EEE-FN1E100R || 10uF || 2 || 0,40 € || 2 || 0,80 € || 0,15 € || 0,95 €
|-
|-
| MBA02040C2261FC100||Vishay||Metal Film Resistors - Through Hole .4watt 2.26Kohms 1% 1/8watt body size||2||0,093 €||0,19 €
| 10 || C15 || TMCMC1C226MTRF || 22uF Tantalum || 1 || 0,95 € || 1 || 0,95 € || 0,18 € || 1,13 €
|-
|-
| CFR25SJT-26-10K||YAGEO||Carbon Film Resistors - Through Hole 10 kOhms 250 mW 5% - 350/ +500 PPM / C||1||0,085 €||0,09 €
| 11 || D1, D2 || Generic || IRL81A || 2 || 1,00 € || 2 || 2,00 € || 0,38 € || 2,38 €
|-
|-
| OM1015E-R58||Ohmite||Carbon Film Resistors - Through Hole 100 Ohm 1W 5% 500 Vo lt||1||0,085 €||0,09 €
| 12 || D3 || Generic || Status LED || 0 || 0,20 € || 0 || 0,00 € || 0,00 € || 0,00 €
|-
|-
| ||||||||||
| 13 || D4 || Generic || LED_RABG || 0 || 0,50 € || 0 || 0,00 € || 0,00 € || 0,00 €
|-
|-
| ||||||||||34,79
| 14 || DS1 || Display || OLED IIC || 1 || 5,00 € || 1 || 5,00 € || 0,95 € || 5,95 €
|-
|-
|  
| 15 || J1 || D6F-P0010A1 || Omron D6F || 1 || 49,60 € || 1 || 49,60 € || 9,42 € || 59,02 €
|}
 
== Bill of Material for the small PCB incl. optional Honeywell Airflow Meter ==
=== [https://www.mouser.de/ProjectManager/ProjectDetail.aspx?AccessID=444c11fc4d Mouser Basket - incl. Airflow Meter - this is optional. Delete this item, if not wanted or needed. ] ===
 
{| class="wikitable"
! Mfr. No !! Manufacturer !! Description  !! Order Qty. !! Price (EUR) !! Ext.: (EUR)
|-
|-
| C0805C104K5RAC7411 || KEMET || Multilayer Ceramic Capacitors MLCC - SMD/SMT 50V 0.1uF X7R 0805 10% || 2 || 0,11 € || 0,22 €
| 16 || J2 || Generic 2.54mm Header || TMP || 1 || 0,20 € || 1 || 0,20 € || 0,04 € || 0,24 €
|-
|-
| 885382207006 || Wurth Elektronik || Multilayer Ceramic Capacitors MLCC - SMD/SMT WCAP-CSST 0805 10nF 10% 50VDC || 3 || 0,085 € || 0,26 €
| 17 || J3 || Generic 2.54mm Header || 3.3V Header || 1 || 0,20 € || 1 || 0,20 € || 0,04 € || 0,24 €
|-
|-
| 885382207004 || Wurth Elektronik || Multilayer Ceramic Capacitors MLCC - SMD/SMT WCAP-CSST 0805 1nF 10% 50VDC || 3 || 0,085 € || 0,26 €
| 18 || J4 || Generic 2.54mm Header || 5V Header || 1 || 0,20 € || 1 || 0,20 € || 0,04 € || 0,24 €
|-
|-
| IRL 81A || Osram Opto Semiconductor || Infrared Emitters Infrared 850nm Half Angle +/-12DEG || 2 || 0,881 € || 1,76 €
| 19 || J5 || Generic 2.54mm Header || Pump 5V Header || 1 || 0,20 € || 1 || 0,20 € || 0,04 € || 0,24 €
|-
|-
| LPT 80A || Osram Opto Semiconductor || Standard LEDs - SMD PHOTOTRANSISTOR || 2 || 0,762 € || 1,52 €
| 20 || J6 || Generic 2.54mm Header || Raspberry_Pi_2_3 || 1 || 0,20 € || 1 || 0,20 € || 0,04 € || 0,24 €
|-
|-
| 110991027 || Seeed Studio || Development Boards & Kits - ARM Seeed Rasp Pi Zero W Barebones Kit || 1 || 21,48 € || 21,48 €
| 21 || J7 || Generic 2.54mm Header || heater || 1 || 0,20 € || 1 || 0,20 € || 0,04 € || 0,24 €
|-
|-
| 2222 || Adafruit || Adafruit Accessories GPIO Header for Raspberry Pi A+/B+/Pi 2/Pi 3/Pi 4/Zero - 2x20 Female Header || 1 || 1,27 € || 1,27 €
| 22 || J8 || Generic 2.54mm Header || DS18B20 Temp Sensor || 0 || 0,20 € || 0 || 0,00 € || 0,00 € || 0,00 €
|-
|-
| ''HAFBLF0750CAAX5'' || ''Honeywell'' || !'''OPTIONAL'''! ''Flow Sensors 750 sccm,Long Port Analog,Fast Mt, 5V'' || ''1'' || ''87,99 €'' || ''87,99 €''
| 23 || Q1, Q2 || Generic || LPT80A || 2 || 1 || 2 || 2,00 € || 0,38 € || 2,38 €
|-
|-
| MMBT3904_R2_00001 || Panjit || Bipolar Transistors - BJT /S1A/TR/13"/HF/12K/SOT-23/TRA/SOT/GPT-03TN/GPT03-QI15/PJ/// || 1 || 0,093 € || 0,09 €
| 24 || Q3, Q4 || MMBT3904 RFG || MMBT3904 || 2 || 0,2 || 2 || 0,40 € || 0,08 € || 0,48 €
|-
|-
| MCP3426A2-E/MS || Microchip || Analog to Digital Converters - ADC 16bit deltasigma ADC dual channel 15sps || 1 || 2,35 € || 2,35 €
| 25 || Q5 || SI2318DS-T1-GE3 || N-Channel 40-V (D-S) MOSFET || 1 || 0,5 || 1 || 0,50 € || 0,10 € || 0,60 €
|-
|-
| CRCW08052K21FKEAC || Vishay || Thick Film Resistors - SMD 1/8Watt 2.21Kohms 1% Commercial Use || 2 || 0,136 € || 0,27 €
| 26 || R1, R2 || CRCW08054K70JNEA || 4k7 || 2 || 0,1 || 2 || 0,20 € || 0,04 € || 0,24 €
|-
|-
| RCG0805100RJNEA || Vishay || Thick Film Resistors - SMD .125watt 100ohms 5% 0805 200ppm || 1 || 0,085 € || 0,09 €
| 27 || R3, R4 || CRGCQ0805J100R || 100R || 2 || 0,2 || 2 || 0,40 € || 0,08 € || 0,48 €
|-
|-
| CRCW080510K0FKEAC || Vishay || Thick Film Resistors - SMD 1/8Watt 10Kohms 1% C ommercial Use || 1 || 0,085 € || 0,09 €
| 28 || R5 || RC0805FR-0710KL || 10k || 1 || 0,1 || 1 || 0,10 € || 0,02 € || 0,12 €
|-
|-
| || || || || ||  
| 29 || R6 || RC0805FR-07470RP || 470R || 1 || 0,11 || 1 || 0,11 € || 0,02 € || 0,13 €
|-
|-
| || || || || ||  
| 30 || R7 || RC0805FR-0710KL || 4K7-10K || 1 || 0,1 || 1 || 0,10 € || 0,02 € || 0,12 €
|-
|-
| || || || || Merchandise: || 117,65 €
| 31 || R8, R10 || CHP0805QJW-4R7ELF || 4R7 || 2 || 0,35 || 2 || 0,70 € || 0,13 € || 0,83 €
|-
|-
| || || || || Delivery Charge: || 0,00 €
| 32 || R9 || ERJ-6GEYJ560V || 56R || 1 || 0,1 || 1 || 0,10 € || 0,02 € || 0,12 €
|-
|-
| || || || || Back-order Delivery: || 0,00 €
| 33 || SW1 || Generic 2.54mm Header || Interrupt || 1 || 0,1 || 1 || 0,10 € || 0,02 € || 0,12 €
|}
 
== Amazon Links for additional Material ==
 
{| {{table}}
| align="center" style="background:#f0f0f0;"|'''Description'''
| align="center" style="background:#f0f0f0;"|'''Quantity'''
| align="center" style="background:#f0f0f0;"|'''Price'''
| align="center" style="background:#f0f0f0;"|'''Link'''
|-
|-
| 22AWG Wire||1||$9.99 ||https://www.amazon.com/NorthPada-Electronic-Electrical-Tinned-Voltage/dp/B08979VWP5/ref=sr_1_15?dchild=1&keywords=22+awg+wire&qid=1626014422&sr=8-15
| 34 || U1 || MCP3428-E/SL || MCP3428 || 1 || 6 || 1 || 6,00 € || 1,14 € || 7,14 €
|-
|-
| Hot Glue||1||$6.99||https://www.amazon.com/Baffo-Adhesive-Project-Craftwork-Diameter/dp/B07XC3VJRH/ref=sr_1_8?__mk_de_DE=%C3%85M%C3%85%C5%BD%C3%95%C3%91&dchild=1&keywords=hot+glue+black+sticks&qid=1626014378&refresh=1&sr=8-8
| 35 || U2 || LM1117MPX-3.3/NOPB || AMS1117-3.3 || 1 || 1,2 || 1 || 1,20 € || 0,23 € || 1,43 €
|-
|-
| Rubber Band||1||$12.95||https://www.amazon.com/Neoprene-Rubber-Black-Self-Adhesive-Sponge/dp/B00EE9HTPW/ref=sr_1_10?dchild=1&keywords=Rubber+Shore+A+tape&qid=1626014507&sr=8-10
| 36 || U3 || SHT40-AD1B-R2 || SHT4x || 1 || 4 || 1 || 4,00 € || 0,76 € || 4,76 €
|-
|-
| Silicone Hose||1||$3.99||https://www.amazon.com/Silicone-Vacuum-Hose-Performance-Black/dp/B07792YB15/ref=sr_1_14?dchild=1&keywords=silicone+hose+5mm&qid=1626014620&sr=8-14
| 37 || PUMP ||  || D15S PWM Controllable Membrane Pump || 1,0 || 95 || 1 || 95,00 € || 18,05 € || 113,05 €
|-
|-
| m3 Threads||1||$12.59||https://www.amazon.com/iplusmile-Embedment-Threaded-Printing-Projects/dp/B087NBYF65/ref=sr_1_43?dchild=1&keywords=m3+screw+threads&qid=1626014698&sr=8-43
| 38 || PCB ||  || Circuit board || 1,0 || 10,00 € || 1 || 10,00 € || 1,90 € || 11,90 €
|-
|-
| M3 Phillips Screw||1||$7.29||https://www.amazon.com/uxcell-Stainless-Phillips-Machine-Combine/dp/B07P3ZJN2K/ref=sr_1_18?dchild=1&keywords=m3+screws+8mm&qid=1626014873&sr=8-18
| 39 || HEAT ||  || Heating element || 1,0 || 5,00 € || 1 || 5,00 € || 0,95 € || 5,95 €
|-
|-
| M3x8mm Hex Screws||1||$8.49||https://www.amazon.com/uxcell-M3x8mm-Thread-Button-Socket/dp/B01B1OD62C/ref=sr_1_3?dchild=1&keywords=m3+screws+8mm&qid=1626014812&sr=8-3
| 40 || CASE ||  || 3D printing housing || 1,0 || 45,00 € || 1 || 45,00 € || 8,55 € || 53,55 €
|-
|-
| SanDisk 16GB 3-Pack||1||$17.48||https://www.amazon.com/SanDisk-3-Pack-microSDHC-Memory-3x16GB/dp/B089DPCJS1/ref=sr_1_11?dchild=1&keywords=microSD+Card&qid=1626014929&refinements=p_36%3A1253503011&rnid=386442011&s=pc&sr=1-11
| 41 || MAT ||  || Material costs || 1,0 || 15,00 € || 1 || 15,00 € || 2,85 € || 17,85 €
|-
|-
|  
| 42 || PSU ||  || 5V2A Power Supply + USB Cable || 1,0 || 10,00 € || 1 || 10,00 € || 1,9 || 11,9
|}
|}


Pallflex T60A20 Filter Paper was used during developement and is sadly discontinued. We're testing
== PCB / Gerber Files for bcMeter ==
https://www.amazon.com/7194-Non-Heat-Pallflex-Tissuquartz-Laboratory/dp/B0731SG18R
find gerber files for PCB fabrication on [https://github.com/bcmeter/bcmeter/tree/main/gerbers on Github]) <br>

Latest revision as of 21:02, 13 October 2024

Overview of parts

BcMeter parts.jpg



Mandatory

0. bcMeter Pi Hat (order it prepopulated (~95€) or build your own by producing the PCB and assembling the components (~5€ without componentes each for 10+ orders on jlcpcb or similar))
1. Raspberry Pi 3A or Zero 2 W (~35€)
2. MicroSD Card(~10€)
3. Power Supply 5.25V/2A (~15€)
4. Air Pump (~10-200€)

I always have a stock of populated PCBs available, just contact me, if interested.
Bildschirmfoto 2024-10-13 um 21.44.39.jpg

Print the Case

STL for 3D Printing (SLA or FDM) github repository - printing material ~10€

Use black filament / resin. FDM is prone to leakage if not properly set up. If possible, mix resin with flex resin.

I'm using Elegoo Jupiter, Saturn and Anycubic Mono M5 - if you have any questions, let me know!

Filter Paper (H)

We're using AE33 filter Paper with bcMeter. You can use any filter which scattering factor is know.
You may send us a sample of your filter paper and we happily calibrate bcMeter with it!
We can also provide you with a small amount of filter paper to get started.


Amazon Links for additional Material (~75€)

Description Quantity Price Link
22AWG Wire 1 $9.99 https://www.amazon.com/NorthPada-Electronic-Electrical-Tinned-Voltage/dp/B08979VWP5/ref=sr_1_15?dchild=1&keywords=22+awg+wire&qid=1626014422&sr=8-15
Hot Glue 1 $6.99 https://www.amazon.com/Baffo-Adhesive-Project-Craftwork-Diameter/dp/B07XC3VJRH/ref=sr_1_8?__mk_de_DE=%C3%85M%C3%85%C5%BD%C3%95%C3%91&dchild=1&keywords=hot+glue+black+sticks&qid=1626014378&refresh=1&sr=8-8
Rubber Band 1 $12.95 https://www.amazon.com/Neoprene-Rubber-Black-Self-Adhesive-Sponge/dp/B00EE9HTPW/ref=sr_1_10?dchild=1&keywords=Rubber+Shore+A+tape&qid=1626014507&sr=8-10
Silicone Hose 1 $3.99 https://www.amazon.com/Silicone-Vacuum-Hose-Performance-Black/dp/B07792YB15/ref=sr_1_14?dchild=1&keywords=silicone+hose+5mm&qid=1626014620&sr=8-14
m3 Threads 1 $12.59 https://www.amazon.com/iplusmile-Embedment-Threaded-Printing-Projects/dp/B087NBYF65/ref=sr_1_43?dchild=1&keywords=m3+screw+threads&qid=1626014698&sr=8-43
M3 Phillips Screw 1 $7.29 https://www.amazon.com/uxcell-Stainless-Phillips-Machine-Combine/dp/B07P3ZJN2K/ref=sr_1_18?dchild=1&keywords=m3+screws+8mm&qid=1626014873&sr=8-18
M3x8mm Hex Screws 1 $8.49 https://www.amazon.com/uxcell-M3x8mm-Thread-Button-Socket/dp/B01B1OD62C/ref=sr_1_3?dchild=1&keywords=m3+screws+8mm&qid=1626014812&sr=8-3
SanDisk 16GB 3-Pack 1 $17.48 https://www.amazon.com/SanDisk-3-Pack-microSDHC-Memory-3x16GB/dp/B089DPCJS1/ref=sr_1_11?dchild=1&keywords=microSD+Card&qid=1626014929&refinements=p_36%3A1253503011&rnid=386442011&s=pc&sr=1-11

BOM of bcMeter Components ~250€ ex VAT

# Position Product number Description Quantity per bcMete Price per component Quantity 1 bcMeter Sum VAT 19% Total
1 C1 EEE-FK1K4R7L 4.7uF 1 0,50 € 1 0,50 € 0,10 € 0,60 €
2 C2, C12 CC0805KRX7R9BB104 100nF 2 0,10 € 2 0,20 € 0,04 € 0,24 €
3 C3, C13 AC0805KKX7R9BB105 1uF 2 0,50 € 2 1,00 € 0,19 € 1,19 €
4 C4 EEE-FP1C101AP 100uF 1 0,60 € 1 0,60 € 0,11 € 0,71 €
5 C5 TMCMC1D106MTRF 10uF Tantal 1 1,00 € 1 1,00 € 0,19 € 1,19 €
6 C6 CC0805KRX7R9BB104 0u1 1 0,10 € 1 0,10 € 0,02 € 0,12 €
7 C7, C10 CC0805KPX7RABB102 1nF 2 0,10 € 2 0,20 € 0,04 € 0,24 €
8 C8, C11 AC0805JRX7R9BB103 10nF 2 0,25 € 2 0,50 € 0,10 € 0,60 €
9 C9, C14 EEE-FN1E100R 10uF 2 0,40 € 2 0,80 € 0,15 € 0,95 €
10 C15 TMCMC1C226MTRF 22uF Tantalum 1 0,95 € 1 0,95 € 0,18 € 1,13 €
11 D1, D2 Generic IRL81A 2 1,00 € 2 2,00 € 0,38 € 2,38 €
12 D3 Generic Status LED 0 0,20 € 0 0,00 € 0,00 € 0,00 €
13 D4 Generic LED_RABG 0 0,50 € 0 0,00 € 0,00 € 0,00 €
14 DS1 Display OLED IIC 1 5,00 € 1 5,00 € 0,95 € 5,95 €
15 J1 D6F-P0010A1 Omron D6F 1 49,60 € 1 49,60 € 9,42 € 59,02 €
16 J2 Generic 2.54mm Header TMP 1 0,20 € 1 0,20 € 0,04 € 0,24 €
17 J3 Generic 2.54mm Header 3.3V Header 1 0,20 € 1 0,20 € 0,04 € 0,24 €
18 J4 Generic 2.54mm Header 5V Header 1 0,20 € 1 0,20 € 0,04 € 0,24 €
19 J5 Generic 2.54mm Header Pump 5V Header 1 0,20 € 1 0,20 € 0,04 € 0,24 €
20 J6 Generic 2.54mm Header Raspberry_Pi_2_3 1 0,20 € 1 0,20 € 0,04 € 0,24 €
21 J7 Generic 2.54mm Header heater 1 0,20 € 1 0,20 € 0,04 € 0,24 €
22 J8 Generic 2.54mm Header DS18B20 Temp Sensor 0 0,20 € 0 0,00 € 0,00 € 0,00 €
23 Q1, Q2 Generic LPT80A 2 1 2 2,00 € 0,38 € 2,38 €
24 Q3, Q4 MMBT3904 RFG MMBT3904 2 0,2 2 0,40 € 0,08 € 0,48 €
25 Q5 SI2318DS-T1-GE3 N-Channel 40-V (D-S) MOSFET 1 0,5 1 0,50 € 0,10 € 0,60 €
26 R1, R2 CRCW08054K70JNEA 4k7 2 0,1 2 0,20 € 0,04 € 0,24 €
27 R3, R4 CRGCQ0805J100R 100R 2 0,2 2 0,40 € 0,08 € 0,48 €
28 R5 RC0805FR-0710KL 10k 1 0,1 1 0,10 € 0,02 € 0,12 €
29 R6 RC0805FR-07470RP 470R 1 0,11 1 0,11 € 0,02 € 0,13 €
30 R7 RC0805FR-0710KL 4K7-10K 1 0,1 1 0,10 € 0,02 € 0,12 €
31 R8, R10 CHP0805QJW-4R7ELF 4R7 2 0,35 2 0,70 € 0,13 € 0,83 €
32 R9 ERJ-6GEYJ560V 56R 1 0,1 1 0,10 € 0,02 € 0,12 €
33 SW1 Generic 2.54mm Header Interrupt 1 0,1 1 0,10 € 0,02 € 0,12 €
34 U1 MCP3428-E/SL MCP3428 1 6 1 6,00 € 1,14 € 7,14 €
35 U2 LM1117MPX-3.3/NOPB AMS1117-3.3 1 1,2 1 1,20 € 0,23 € 1,43 €
36 U3 SHT40-AD1B-R2 SHT4x 1 4 1 4,00 € 0,76 € 4,76 €
37 PUMP D15S PWM Controllable Membrane Pump 1,0 95 1 95,00 € 18,05 € 113,05 €
38 PCB Circuit board 1,0 10,00 € 1 10,00 € 1,90 € 11,90 €
39 HEAT Heating element 1,0 5,00 € 1 5,00 € 0,95 € 5,95 €
40 CASE 3D printing housing 1,0 45,00 € 1 45,00 € 8,55 € 53,55 €
41 MAT Material costs 1,0 15,00 € 1 15,00 € 2,85 € 17,85 €
42 PSU 5V2A Power Supply + USB Cable 1,0 10,00 € 1 10,00 € 1,9 11,9

PCB / Gerber Files for bcMeter

find gerber files for PCB fabrication on on Github)

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