Biltong board main
About the Biltong board main
Biltong board main is an open source STM32 PCB design by myles-parfeniuk, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 100 × 100 mm, with 77 components from 46 distinct parts.
Its main chip is the STM32G070CBTX, from the STM32 family. Other key parts include the MOC3023S, TPS562202SDRLR and NSM2012-10B3R. By type, the board carries 25 resistors, 22 capacitors, 11 connectors, 5 diodes, 4 ICs and 2 crystals.
It belongs with the sensors and power & battery designs in this gallery.
From the project
Sun drying emulation controller for biltong and other dried foodstuffs.
- About - PCBWay Sponsorship - Hardware - System Block Diagram - PCB Renders - Layout - Schematics - Firmware - License - Contact
This was my second time using PCBWay's service, and just like last time the boards came out perfect with no defects. While assembling the boards at home with a friend, I even had him comment the silk screen and cosmetic qualities of the board were superior to that of domestic fabrication houses he has seen used throughout his professional career. To be clear, we are talking about a 0.8mm character height, with no smudging or defected labels on any part of the…
Main components on the Biltong board main
Biltong board main bill of materials (BOM)
77 components, 46 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | STM32G070CBTX STM32G070CBTx | LQFP-48_7x7mm_P0.5mm | U1 |
| 1 | MOC3023S | DIP-6_W8.89mm_SMDSocket_LongPads | U2 |
| 1 | TPS562202SDRLR | SOT-563 | U3 |
| 1 | NSM2012-10B3R | SOIC-8_3.9x4.9mm_P1.27mm | U4 |
| 1 | MMBT3904 | SOT-23 | Q1 |
| 1 | 8MHZ 8MHz | Crystal_SMD_Abracon_ABM3B-4Pin_5.0x3.2mm_w_model | Y1 |
| 1 | 32.768KHZ 32.768KHz | Crystal_SMD_Abracon_ABS25-4Pin_8.0x3.8mm_w_model | Y2 |
| 1 | ALTECH_AK300-3_P5.00MM Altech_AK300-3_P5.00mm | TerminalBlock_Altech_AK300-3_P5.00mm_w_model | J1 |
| 1 | PINHEADER_1X05_P2.54MM_VERTICAL PinHeader_1x05_P2.54mm_Vertical | PinSocket_1x05_P2.54mm_Vertical | J2 |
| 2 | ALTECH_AK300-2_P5.00MM Altech_AK300-2_P5.00mm | TerminalBlock_Altech_AK300-2_P5.00mm_w_model | J3, J4 |
| 4 | JST_PH_B4B-PH-K_1X04_P2.00MM_VERTICAL JST_PH_B4B-PH-K_1x04_P2.00mm_Vertical | JST_PH_B4B-PH-K_1x04_P2.00mm_Vertical | J5, J7, J8, J11 |
| 1 | JST_PH_B11B-PH-K_1X11_P2.00MM_VERTICAL JST_PH_B11B-PH-K_1x11_P2.00mm_Vertical | JST_PH_B11B-PH-K_1x11_P2.00mm_Vertical | J6 |
| 1 | PINHEADER_1X04_P2.54MM_VERTICAL PinHeader_1x04_P2.54mm_Vertical | PinSocket_1x04_P2.54mm_Vertical | J9 |
| 1 | CONN_02X07_ODD_EVEN Conn_02x07_Odd_Even | PinHeader_2x07_P2.54mm_Vertical | J12 |
| 1 | BH-98-1 | BH-98-1 | BT1 |
| 1 | 696106003002 | fuseholder_wurth_696106003002 | F1 |
| 1 | 581002B02500G | HSINK_581002B02500G | HS1 |
| 1 | G5Q-1A | Relay_SPST_Omron-G5Q-1A_w_model | K1 |
| 1 | IRM-10-12 | Converter_ACDC_MeanWell_IRM-10-xx_THT_w_model | PS1 |
| 1 | TL1105BF250Q | TL1105BF250Q | SW1 |
Show 26 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | SD101AWS-TP | D_SOD-323 | D1, D2, D4 |
| 1 | Q_TRIAC_A1A2G | TO-220-3_Vertical_long_pads | D3 |
| 1 | 150060VS7500 | LED_0603_1608Metric | D5 |
| 1 | 3.3U 3.3u | IND_NRS5030_TAY | L1 |
| 4 | 100N 100n | C_0603_1608Metric | C1, C4, C10, C11 |
| 1 | 10N 10n | C_0603_1608Metric | C2 |
| 1 | 10N 10n | C_Rect_L13.0mm_W5.0mm_P10.00mm_FKS3_FKP3_MKS4 | C3 |
| 2 | 1u | C_0603_1608Metric | C5, C17 |
| 2 | 27P 27p | C_0603_1608Metric | C6, C7 |
| 2 | 10U 10u | C_1210_3225Metric | C8, C9 |
| 3 | 22U 22u | C_0805_2012Metric | C12, C13, C19 |
| 1 | 47P 47p | C_0603_1608Metric | C14 |
| 2 | 10U 10u | CP_Radial_D5.0mm_P2.00mm | C15, C16 |
| 2 | 15P 15p | C_0603_1608Metric | C18, C20 |
| 1 | 10U 10u | C_0603_1608Metric | C21 |
| 1 | 1n | C_0603_1608Metric | C22 |
| 2 | 470K | R_2010_5025Metric | R1, R6 |
| 1 | 220 | R_0603_1608Metric | R2 |
| 1 | 170 | R_2010_5025Metric | R3 |
| 2 | 68 | R_2010_5025Metric | R4, R7 |
| 2 | 4.7K | R_0603_1608Metric | R5, R25 |
| 3 | 10K 10k | R_0603_1608Metric | R8, R9, R10 |
| 1 | 30.9K 30.9k | R_0603_1608Metric | R11 |
| 6 | 470 | R_0603_1608Metric | R12, R17, R18, R19, R20, R21 |
| 6 | 2.2K | R_0603_1608Metric | R13, R14, R15, R16, R22, R23 |
| 1 | 1 | R_2010_5025Metric | R24 |
Biltong board main design files
The KiCad project lives in the myles-parfeniuk/biltong_board repository on GitHub; these links point at the commit this page was built from.
Biltong board main: common questions
What microcontroller does the Biltong board main use?
The Biltong board main is built around the STM32G070CBTX, from the STM32 family.
How big is the Biltong board main?
The Biltong board main measures 100 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Biltong board main?
77 components, from 46 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Biltong board main design files?
From the myles-parfeniuk/biltong_board repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Biltong board main design in my own project?
Yes, under the terms of its GPL-3.0 license, which myles-parfeniuk chose for the repository.
Can I test firmware for the Biltong board main without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.
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