Tmp
About the Tmp PCB
Tmp is an open source PCB design by neuroidss, published on GitHub under the AGPL-3.0 license. It is a 2-layer board measuring 55.9 × 96.5 mm, with 49 components from 19 distinct parts.
Other key parts include the AD7779, LP5907QMFX-3.3Q1 and LP5907QMFX-2.5Q1. By type, the board carries 27 capacitors, 17 connectors, 4 ICs and 1 crystal.
It belongs with the iot & wireless and usb & debug tools designs in this gallery.
From the project
ALPHA1.0 TEST FAILED, USE NEW VERSION INSTEAD FreeEEG32 alpha1.0 32 channels mobile electroencephalography under GNU AGPL 24 bits, 4kSPS ADCs 4x AD7770 MCU STM32F427ZI WIFI ESP-12F (ESP8266) USB CP2102N Accel & hyro LSM6DS3TR Isolated SPI, UART, USB, power
Main components on the Tmp
Tmp bill of materials (BOM)
49 components, 19 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AD7779 | LFCSP-64-1EP_9x9mm_Pitch0.5mm | U1 |
| 2 | LP5907QMFX-3.3Q1 | SC-70-5 | U2, U3 |
| 1 | LP5907QMFX-2.5Q1 | SC-70-5 | U4 |
| 1 | 8.192 MHz | SMD0503_4P_Crystal | Y1 |
| 1 | DIGITAL(_PWM) | Pin_Header_Straight_1x10 | P1 |
| 1 | ICSP | Pin_Header_Straight_2x03 | P2 |
| 1 | POWER | Pin_Header_Straight_1x08 | P3 |
| 1 | DIGITAL(_PWM) | Pin_Header_Straight_1x08 | P4 |
| 1 | ANALOG_IN | Pin_Header_Straight_1x06 | P5 |
| 1 | CONN_- | Pin_Header_Straight_1x10 | P6 |
| 1 | CONN_+ | Pin_Header_Straight_1x10 | P7 |
| 1 | CONN_AD7779_1 | Pin_Header_Straight_1x16 | P8 |
| 1 | CONN_AD7779_2 | Pin_Header_Straight_1x16 | P9 |
| 1 | CONN_AD7779_3 | Pin_Header_Straight_1x16 | P10 |
| 1 | CONN_AD7779_4 | Pin_Header_Straight_1x16 | P11 |
| 6 | CONN_01X03 | Pin_Header_Straight_1x03 | P12, P13, P14, P15, P16, P17 |
| 4 | C 1uF | C_0603 | C1, C5, C13, C17 |
| 12 | 100pF | C_0603 | C2, C3, C6, C7, C9, C10, C11, C14 +4 |
| 11 | 1uF | C_0603 | C4, C8, C12, C16, C20, C22, C23, C24 +3 |
Tmp design files
The KiCad project lives in the neuroidss/FreeEEG32-alpha1.0 repository on GitHub; these links point at the commit this page was built from.
- LayoutKiCad/tmp.kicad_pcb
Tmp: common questions
How big is the Tmp PCB?
The Tmp measures 55.9 × 96.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Tmp?
49 components, from 19 distinct parts. The full bill of materials is listed on this page.
Where can I download the Tmp design files?
From the neuroidss/FreeEEG32-alpha1.0 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Tmp design in my own project?
Yes, under the terms of its AGPL-3.0 license, which neuroidss chose for the repository.
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