Jantteri lora
About the Jantteri lora PCB
Jantteri lora is an open source STM32 PCB design by OJ2016, published on GitHub. It is a 2-layer board measuring 40.2 × 17.5 mm, with 24 components from 19 distinct parts.
Its main chip is the HT75XX-1-SOT89, from the STM32 family. Other key parts include the DRV8848 and BQ24610. By type, the board carries 13 capacitors, 3 ICs, 2 connectors, 2 resistors, 1 transistor and 1 crystal.
It belongs with the rf & radio designs in this gallery.
Main components on the Jantteri lora
Jantteri lora bill of materials (BOM)
24 components, 19 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | DRV8848 AMS1117-3.3 | SOT-223-3_TabPin2 | U2 |
| 1 | BQ24610 RFM95W-868S2 | HOPERF_RFM9XW_SMD | U3 |
| 1 | HT75XX-1-SOT89 STM32G030C8T6 | LQFP-48_7x7mm_P0.5mm | U6 |
| 1 | AP3407 IRLML6402TRPBF | SOT-23 | Q1 |
| 1 | 16MHz | Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | USB_C_RECEPTACLE_USB2.0 ANT | PinHeader_1x01_P2.54mm_Vertical | J1 |
| 1 | CONN_01X02_MALE DBG | JST_ZH_B4B-ZR_1x04_P1.50mm_Vertical | J3 |
| 1 | LED | LED_0603_1608Metric | D1 |
| 1 | GZ2012D101TF | L_0805_2012Metric | FB1 |
| 1 | 0U1 10u | C_0805_2012Metric | C1 |
| 1 | 10u | C_0805_2012Metric | C2 |
| 4 | 100n | C_0603_1608Metric | C3, C4, C14, C15 |
| 1 | 10U 4u7 | C_1206_3216Metric | C9 |
| 2 | 2U2 100n | C_0603_1608Metric | C10, C12 |
| 2 | 0U1 100n | C_0603_1608Metric | C11, C13 |
| 1 | 12p | C_0402_1005Metric | C16 |
| 1 | 0U1 12p | C_0402_1005Metric | C17 |
| 1 | 100K 1k5 | R_0402_1005Metric | R1 |
| 1 | 100K 47 | R_0402_1005Metric | R2 |
Jantteri lora design files
The KiCad project lives in the OJ2016/pcb-common repository on GitHub; these links point at the commit this page was built from.
Jantteri lora: common questions
What microcontroller does the Jantteri lora use?
The Jantteri lora is built around the HT75XX-1-SOT89, from the STM32 family.
How big is the Jantteri lora PCB?
The Jantteri lora measures 40.2 × 17.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Jantteri lora?
24 components, from 19 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 Jantteri lora design files?
From the OJ2016/pcb-common repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Jantteri lora design in my own project?
The repository has no license, so all rights stay with OJ2016. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Jantteri lora 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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