833iot
About the 833iot PCB
833iot is an open source PCB design by ntn888, published on GitHub under the MIT license. It is a 2-layer board measuring 26.5 × 42 mm, with 24 components from 19 distinct parts.
Other key parts include the E73-2G4M08S1E, AP2112K-3.3 and TP4054. By type, the board carries 8 resistors, 5 connectors, 4 diodes, 3 ICs, 2 transistors and 1 crystal.
It belongs with the iot & wireless designs in this gallery.
From the project
cheap E73-2G4M08S1E based IOT board
Main components on the 833iot
833iot bill of materials (BOM)
24 components, 19 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | E73-2G4M08S1E | E73-2G4M08S1C-52840 | U1 |
| 1 | AP2112K-3.3 | SOT-23-5 | U2 |
| 1 | TP4054 | SOT-23-5 | U3 |
| 2 | AO3407 | SOT-23 | Q1, Q2 |
| 1 | 32768kHz | Crystal_SMD_3215-2Pin_3.2x1.5mm | X1 |
| 1 | U254-051T-4BH83-F1S | XKB_U254-051T-4BH83-F1S | J1 |
| 1 | Conn_01x04 | connector_swd | J2 |
| 1 | Conn_01x02 | connector_bat | J3 |
| 2 | Conn_01x15_Male | PinHeader_1x15_P2.54mm_Vertical | J4, J5 |
| 1 | SW_SPST | SW_SPST_TL3342 | SW1 |
| 1 | 1N5819 | D_SOD-323F | D1 |
| 1 | BLUE | LED_0603_1608Metric | D2 |
| 1 | RED | LED_0603_1608Metric | D3 |
| 1 | PURPLE | LED_0603_1608Metric | D4 |
| 1 | 100K | R_0603_1608Metric | R1 |
| 3 | 1K | R_0603_1608Metric | R2, R4, R8 |
| 1 | RPROG | R_0603_1608Metric | R5 |
| 1 | 820K | R_0603_1608Metric | R6 |
| 2 | 2M | R_0603_1608Metric | R7, R9 |
833iot design files
The KiCad project lives in the ntn888/833iot repository on GitHub; these links point at the commit this page was built from.
- Layout833iot.kicad_pcb
- Schematic833iot.kicad_sch
833iot: common questions
How big is the 833iot PCB?
The 833iot measures 26.5 × 42 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the 833iot?
24 components, from 19 distinct parts. The full bill of materials is listed on this page.
Where can I download the 833iot design files?
From the ntn888/833iot repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the 833iot design in my own project?
Yes, under the terms of its MIT license, which ntn888 chose for the repository.
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