2026 InClass Balancing Robot
cshieldsce·ENCE_3231_Charlie_Shields_2026·03_balancing_robot_schematic_v1/2026_InClass_Balancing_Robot.kicad_pcb
About the 2026 InClass Balancing Robot PCB
2026 InClass Balancing Robot is an open source ESP8266 PCB design by cshieldsce, published on GitHub. It is a 2-layer board measuring 157.4 × 86.9 mm, with 55 components from 32 distinct parts.
Its main chip is the ESP8266-01_ESP-01, from the ESP8266 family. Other key parts include the STM32F401RBTx, LD1117S50TR_SOT223, TB6612FNG and USBLC6-2SC6. By type, the board carries 21 capacitors, 10 resistors, 8 connectors, 6 ICs, 5 diodes and 3 switches.
It belongs with the robotics & motion designs in this gallery.
From the project
- Open 2026InClassBalancingRobot.kicadpro

Main components on the 2026 InClass Balancing Robot
2026 InClass Balancing Robot bill of materials (BOM)
55 components, 32 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | STM32F401RBTx | LQFP-64_10x10mm_P0.5mm | U1 |
| 2 | LD1117S50TR_SOT223 | SOT-223-3_TabPin2 | U2, U3 |
| 1 | TB6612FNG | SSOP-24_5.3x8.2mm_P0.65mm | U4 |
| 1 | ESP8266-01_ESP-01 | ESP8266-01_ESP-01 | U5 |
| 1 | USBLC6-2SC6 | SOT-23-6 | U6 |
| 1 | 16MHz | Crystal_SMD_Abracon_ABM8G-4Pin_3.2x2.5mm | Y1 |
| 1 | M2_CONN | JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J1 |
| 1 | M1_CONN | JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J2 |
| 1 | BATT_CONN | JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J3 |
| 1 | CONN_MPU6050 | PinSocket_1x08_P2.54mm_Vertical | J4 |
| 1 | MT6701_CONN | JST_XH_B5B-XH-A_1x05_P2.50mm_Vertical | J5 |
| 1 | ENCODER_CONN | JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J6 |
| 1 | Conn_01x04 | PinHeader_1x04_P2.54mm_Vertical | J7 |
| 1 | USB_C_Receptacle | USB_C_Receptacle_HCTL_HC-TYPE-C-16P-01A | J8 |
| 1 | RST_SWITCH | SW_SLW-66527511-SMT-TR | S1 |
| 1 | REGULATOR_SWITCH | SW_SLW-66527511-SMT-TR | S2 |
| 1 | SW_uP_Reset | SW_uP_Reset | SW1 |
| 1 | PTCSMD | Fuse_1812_4532Metric | TH1 |
| 1 | 5V_LED | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D1 |
| 1 | 3V3_LED | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D2 |
Show 12 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | USER_LED | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D3 |
| 1 | WS2812B | LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm | D4 |
| 1 | USB_LED | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D5 |
| 11 | 0.1uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2, C3, C5, C7, C9, C11, C13 +3 |
| 6 | 10uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C4, C6, C8, C10, C12, C16 |
| 1 | 2.2uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C18 |
| 1 | 0.01uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C19 |
| 2 | 22p | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C20, C21 |
| 4 | 1k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2, R3, R5 |
| 2 | 10k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4, R10 |
| 2 | 5.1k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R6, R7 |
| 2 | 22k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R8, R9 |
2026 InClass Balancing Robot design files
The KiCad project lives in the cshieldsce/ENCE_3231_Charlie_Shields_2026 repository on GitHub; these links point at the commit this page was built from.
2026 InClass Balancing Robot: common questions
What microcontroller does the 2026 InClass Balancing Robot use?
The 2026 InClass Balancing Robot is built around the ESP8266-01_ESP-01, from the ESP8266 family.
How big is the 2026 InClass Balancing Robot PCB?
The 2026 InClass Balancing Robot measures 157.4 × 86.9 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the 2026 InClass Balancing Robot?
55 components, from 32 distinct parts. The full bill of materials is listed on this page.
Where can I download the 2026 InClass Balancing Robot design files?
From the cshieldsce/ENCE_3231_Charlie_Shields_2026 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the 2026 InClass Balancing Robot design in my own project?
The repository has no license, so all rights stay with cshieldsce. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the 2026 InClass Balancing Robot without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP8266 firmware against it before you order a PCB.
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