2 layers272.7 × 159.6 mm
Fab
horazont/hint
Home Information Terminal — a multi-part system providing sensor and other information
170 parts2
2 layers
Sensor node ext old
horazont/hint2Home Information Terminal — a multi-part system providing sensor and other information
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 26
- Nets
- 25
- Pads
- 137
- Tracks, vias
- 259, 12
- 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 with 26 parts on 25 nets, routed with 259 tracks and 12 vias.
It is built around the STM32F103CBT6 and LT1129CST-3.3#PBF. Its parts include 8 capacitors, 5 transistors, 4 resistors, 4 switches and 2 ICs. 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)
LT1129CST-3.3#PBF
SOT-223-30℃~+125℃@(Tj) 1 20V 3.3V 400mV 50uA 64dB@(120Hz) 700mA Fixed Over Current Protection Positive SOT-223-3 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAnalog DevicesVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
Parts
26| Qty | Value | Footprint | References |
|---|---|---|---|
| 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 |
| 3 | XLR3 | Pin_Headers:Pin_Header_Straight_1x03 | K1, K2, K3 |
| 2 | 56p | Capacitors_SMD:C_0805_HandSoldering | C1, C2 |
| 1 | 10u | Capacitors_SMD:C_0805_HandSoldering | C4 |
| 1 | 24MHz | Crystals:Crystal_HC49-U_Vertical | Y1 |
| 1 | 4.7k | Resistors_SMD:R_0805_HandSoldering | R3 |
| 1 | DB9 | Connect:DB9MC | J1 |
| 1 | DB9_X2 | Mine:DB9FC_X2 | J2 |
| 1 | LT1129CST-3.3 | TO_SOT_Packages_SMD:SOT-223 | U1 |
| 1 | STM32F103CB | Housings_QFP:LQFP-48_7x7mm_Pitch0.5mm | U2 |
| 1 | SW_PUSH | Buttons_Switches_ThroughHole:SW_PUSH_SMALL | SW1 |
Questions
What parts does the Sensor node ext old use?
26 parts, built around the STM32F103CBT6 and LT1129CST-3.3#PBF. 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.
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