2 layers272.7 × 159.6 mm
Fab
horazont/hint
Home Information Terminal — a multi-part system providing sensor and other information
170 parts2
2 layers99.1 × 37.1 mm
Sensor node ext old
horazont/hint2Home Information Terminal — a multi-part system providing sensor and other information
- Size
- 99.1 × 37.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 32
- Nets
- 32
- Pads
- 156
- Tracks, vias
- 283, 23
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 3 Nov 2013
- Updated
- 24 Oct 2026
Overview
Sensor node ext old is an open-source printed circuit board by horazont, from the horazont/hint repository on GitHub. It is a 2-layer board of 99.1 × 37.1 mm with 32 parts on 32 nets, routed with 283 tracks and 23 vias.
It is built around the STM32F103CBT6 and TS2940CZ33 C0G. Its parts include 9 capacitors, 7 switches, 5 transistors, 4 resistors and 4 connectors. It belongs with the sensors and measurement and home automation and IoT boards and the STM32 boards of this library.
Main components
2
STM32F103CBT6
LQFP-48(7x7)-40℃~+85℃ 128KB 12bit 20KB 2V~3.6V 32 Bit 37 72MHz ARM Cortex-M3 Built-in FLASH LQFP-48(7x7) Microcontrollers (MCU/MPU/SOC) ROHSSTMicroelectronicsMicrocontrollers (MCU/MPU/SOC)TS2940CZ33 C0G
TO-220-40℃~+125℃ 3.3V Fixed Over Current Protection、Over Temperature Protection TO-220 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTaiwan SemiconductorVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
Parts
32| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | XLR3 | Pin_Headers:Pin_Header_Straight_1x03 | K1, K2, K3, K4, K5, K6 |
| 5 | 100n | Capacitors_SMD:C_0805_HandSoldering | C3, C5, C6, C7, C8 |
| 5 | 2N7000 | TO_SOT_Packages_THT:TO-92_Inline_Wide | Q1, Q2, Q3, Q4, Q5 |
| 3 | 100k | Resistors_SMD:R_0805_HandSoldering | R1, R2, R4 |
| 2 | 10u | Capacitors_SMD:C_0805_HandSoldering | C4, C9 |
| 2 | 56p | Capacitors_SMD:C_0805_HandSoldering | C1, C2 |
| 2 | DB9 | Connect:DB9FC | J2, J3 |
| 1 | 24MHz | Crystals:Crystal_HC49-U_Vertical | Y1 |
| 1 | 4.7k | Resistors_SMD:R_0805_HandSoldering | R3 |
| 1 | CONN_01X06 | Pin_Headers:Pin_Header_Straight_1x06 | P1 |
| 1 | DB9 | Connect:DB9MC | J1 |
| 1 | STM32F103CB | Housings_QFP:LQFP-48_7x7mm_Pitch0.5mm | U2 |
| 1 | SW_PUSH | Buttons_Switches_ThroughHole:SW_PUSH_SMALL | SW1 |
| 1 | TS2940-CZ33 | TO_SOT_Packages_THT:TO-220_Neutral123_Horizontal_LargePads | U1 |
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Questions
How big is the Sensor node ext old PCB?
It measures 99.1 × 37.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Sensor node ext old use?
32 parts, built around the STM32F103CBT6 and TS2940CZ33 C0G. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Sensor node ext old KiCad files?
From the horazont/hint repository on GitHub, at the commit this page was made from: the board is sensor-node-2.0/sensor-block/sensor-node-ext-old.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Sensor node ext old design in my own project?
Its repository states no licence, so its author keeps all rights: ask horazont before reusing the design.