Servo control
Servo control is an open source STM32 PCB design by eddyem: a 2-layer, 53 × 47 mm board with 59 components (43 distinct parts). It is built around the BME280, STM32F303CBT6, ISO1050DUB. Filed under robotics & motion and sensors.
Code samples and ready projects based on bare-metal STM32
Servo motors SG-90 management =============================
'[' clears earlier input; '\n', '\r', ' ', '\t' are ignored. All messages are asynchronous!
Built around
Parts list
59 components, 43 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | BME280 LM1117-3.3 | SOT-223-3_TabPin2 | U1 |
| 1 | STM32F303CBT6 CH340G | SOIC-16_3.9x9.9mm_P1.27mm | U2 |
| 1 | ISO1050DUB STM32F030F4Px | TSSOP-20_4.4x6.5mm_P0.65mm | U3 |
| 1 | B0505S-1W 2N7002 | SOT-23 | Q1 |
| 1 | B0509S-1W SI2300 | SOT-23 | Q2 |
| 1 | SI2308 2N7002 | SOT-23 | Q3 |
| 1 | B2424S-2W 2N7002 | SOT-23 | Q4 |
| 1 | B0505S-2W 2N7002 | SOT-23 | Q5 |
| 1 | 8MHZ 12MHz | Crystal_HC49-U_Vertical | Y1 |
| 1 | USB_B_Micro | USB_Micro-B_Wuerth-629105150521 | J1 |
| 1 | ADC_in | PinHeader_1x06_P2.54mm_Vertical | J2 |
| 1 | Jumper0 | PinHeader_1x02_P2.54mm_Vertical | J3 |
| 1 | Jumper1 | PinHeader_1x02_P2.54mm_Vertical | J4 |
| 1 | Dig_In | PinHeader_1x03_P2.54mm_Vertical | J5 |
| 1 | Ext_LED | PinHeader_1x02_P2.54mm_Vertical | J6 |
| 1 | Servo1 | PinHeader_1x03_P2.54mm_Vertical | J7 |
| 1 | Servo2 | PinHeader_1x03_P2.54mm_Vertical | J8 |
| 1 | RS-485 Servo3 | PinHeader_1x03_P2.54mm_Vertical | J9 |
| 1 | 5V | PinHeader_1x02_P2.54mm_Vertical | J10 |
| 1 | Buzzer | Buzzer_12x9.5RM7.6 | BZ1 |
Show 23 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SW_DIP_X01 Reset | SW_SPST_FSMSM | SW1 |
| 1 | SW_DIP_X04 Boot | SW_SPST_FSMSM | SW2 |
| 1 | USB6B1 | SOIC-8_3.9x4.9mm_P1.27mm | D1 |
| 1 | SP0504BAHT | SOT-23-5 | D2 |
| 2 | SMAJ5.0 | D_SMA_Handsoldering | D3, D4 |
| 1 | SS14 | D_SMA_Handsoldering | D5 |
| 1 | 100U BMBA 0.1mH | L_0805_2012Metric_Pad1.15x1.50mm_HandSolder | L1 |
| 5 | 0.1 | C_0603_1608Metric_Pad0.84x1.00mm_HandSolder | C1, C2, C6, C8, C11 |
| 4 | 0.1 | C_0603_1608Metric_Pad0.84x1.00mm_HandSolder | C3, C5, C10, C12 |
| 1 | 0.1 47u | CP_EIA-3216-18_Kemet-A_Pad1.53x1.40mm_HandSolder | C4 |
| 1 | 0.1 22p | C_0603_1608Metric_Pad0.84x1.00mm_HandSolder | C7 |
| 1 | 22p | C_0603_1608Metric_Pad0.84x1.00mm_HandSolder | C9 |
| 1 | 1u | C_0805_2012Metric_Pad1.15x1.50mm_HandSolder | C13 |
| 1 | 10u | C_1206_3216Metric_Pad1.24x1.80mm_HandSolder | C14 |
| 1 | 10K 10k | R_0805_2012Metric_Pad1.15x1.50mm_HandSolder | R1 |
| 1 | 4K7 220 | R_0805_2012Metric_Pad1.15x1.50mm_HandSolder | R2 |
| 3 | 330 220 | R_0805_2012Metric_Pad1.15x1.50mm_HandSolder | R3, R4, R5 |
| 2 | 330 510 | R_0805_2012Metric_Pad1.15x1.50mm_HandSolder | R6, R8 |
| 2 | 330 10k | R_0805_2012Metric_Pad1.15x1.50mm_HandSolder | R7, R9 |
| 2 | 330 1k | R_0805_2012Metric_Pad1.15x1.50mm_HandSolder | R10, R11 |
| 1 | 4K7 510 | R_0805_2012Metric_Pad1.15x1.50mm_HandSolder | R12 |
| 2 | 3K3 510 | R_0805_2012Metric_Pad1.15x1.50mm_HandSolder | R13, R14 |
| 3 | 3K3 10k | R_0805_2012Metric_Pad1.15x1.50mm_HandSolder | R15, R16, R17 |
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