Wyostat
About the Wyostat PCB
Wyostat is an open source PCB design by wyolum, published on GitHub. It is a 2-layer board measuring 99.1 × 99.1 mm, with 84 components from 53 distinct parts.
Other key parts include the MOC3063SR2M, Wemos-Lolin, MAX17502FATB+T and DS3231N. By type, the board carries 26 resistors, 16 connectors, 12 capacitors, 6 ICs, 5 diodes and 4 jumpers.
From the project
Open source thermostat
install node-red https://nodered.org/docs/hardware/raspberrypi install node-red-dashboard (from the ~/.node-red) https://flows.nodered.org/node/node-red-dashboard install node-red start up trigger: npm install node-red-contrib-startup-trigger install mosquitto (steps 1 & 2 https://learn.adafruit.com/diy-esp8266-home-security-with-lua-and-mqtt/configuring-mqtt-on-the-raspberry-pi) start node-red (from the command-line type $node-red) start mosquitto (from the command line type $moquitto) edit OpenThermostat.json from within node-red (update mqtt-broker ip address) deploy OpenThermostat.json…
Main components on the Wyostat
Wyostat bill of materials (BOM)
84 components, 53 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | MOC3063SR2M MOC3063M | Optocoupler_6pin_smd | U1, U2, U3 |
| 1 | Wemos-Lolin | Wemos_Lolin | U4 |
| 1 | MAX17502FATB+T | TDFN-10 | U5 |
| 1 | DS3231N | DS3231 | U6 |
| 3 | 1740-1106-1 BTA204S | DPAK-2 | Q1, Q2, Q3 |
| 1 | A98333 24 V AC IN | TerminalBlock_Pheonix_MPT-2.54mm_2pol | J1 |
| 1 | A98333 OUT1 | TerminalBlock_Pheonix_MPT-2.54mm_2pol | J2 |
| 1 | A98333 OUT2 | TerminalBlock_Pheonix_MPT-2.54mm_2pol | J3 |
| 1 | A98333 OUT3 | TerminalBlock_Pheonix_MPT-2.54mm_2pol | J4 |
| 1 | I2C_ext1 | Pin_Header_TMP102_1x06 | J5 |
| 1 | RH | pad_rect_smd | J6 |
| 1 | RC | pad_rect_smd | J7 |
| 1 | C | pad_rect_smd | J8 |
| 1 | Y1 | pad_rect_smd | J9 |
| 1 | Y2 | pad_rect_smd | J10 |
| 1 | G | pad_rect_smd | J11 |
| 1 | W1 | pad_rect_smd | J12 |
| 1 | WM1399 USB_microAB | USB_Micro-B_Molex-105017-0001 | J13 |
| 1 | W2 | pad_rect_smd | J14 |
| 1 | Conn_Spare | TerminalBlock_Pheonix_MPT-2.54mm_3pol | J15 |
Show 33 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | S1011EC-04 5V_SEL | Pin_Header_Straight_1x04 | J16 |
| 1 | BK-912 Batt_RTC | CR2032_SMD2 | BT1 |
| 1 | 507-1743-1 Polyfuse | Fuse_SMD2920 | F1 |
| 3 | YAG3755 LED_en | R_0805 | JP1, JP2, JP3 |
| 1 | GND | LED_0402 | JP4 |
| 1 | 450-1133 SW-ENTER | SW_SPST_FSM6JSMA | S1 |
| 1 | 450-1133 SW-INC | SW_SPST_FSM6JSMA | S2 |
| 1 | 450-1133 SW-DEC | SW_SPST_FSM6JSMA | S3 |
| 1 | 450-1133 SW-MODE | SW_SPST_FSM6JSMA | S4 |
| 1 | ~RST | Pin_Header_Straight_1x01 | TP1 |
| 1 | SQR | Pin_Header_Straight_1x01 | TP2 |
| 1 | 32kHz | Pin_Header_Straight_1x01 | TP3 |
| 3 | 160-1828-1 LED | LED_0603 | D1, D2, D3 |
| 1 | MDB6SFS DiodeBridge | Diode_bridge | D4 |
| 1 | CDSOD323-T05L | D_SOD-323_HandSoldering | D5 |
| 1 | PCD2446 22uH | Inductor_ELL8TP | L1 |
| 2 | 445-1569-1 330E | R_0805 | L2, L4 |
| 3 | 399-12880-1 10nF,120V | C_1210 | C1, C3, C5 |
| 2 | 490-8049-1 100nF | C_0805 | C7, C8 |
| 1 | 1276-6733-1 100nF,100V | C_0805 | C9 |
| 1 | 565-4786-1 100uF,50V | CP_Elec_10x10 | C10 |
| 1 | 587-4963-1 2.2uF,50V | C_0805 | C11 |
| 1 | 1276-1029-1 1uF | C_0805 | C12 |
| 1 | 399-1153-1 3.3nF | C_0805 | C13 |
| 1 | 587-3319-1 10uF | C_0805 | C14 |
| 1 | 1276-2873-1 4.7uF | C_0805 | C15 |
| 6 | 311-360CR 360 | R_0805 | R1, R5, R7, R12, R13, R17 |
| 3 | 311-200AR 200 | R_0805 | R3, R9, R15 |
| 3 | 311-300AR 300 | R_0805 | R4, R10, R16 |
| 3 | 311-39AR 39 | R_0805 | R6, R11, R18 |
| 6 | 311-10KAR 10k | R_0805 | R19, R20, R21, R22, R26, R27 |
| 3 | 0E | R_0805 | R23, R24, R25 |
| 2 | 311-4.70KCR 4K7 | R_0805 | R28, R29 |
Wyostat design files
The KiCad project lives in the wyolum/wyostat repository on GitHub; these links point at the commit this page was built from.
Wyostat: common questions
How big is the Wyostat PCB?
The Wyostat measures 99.1 × 99.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Wyostat?
84 components, from 53 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 Wyostat design files?
From the wyolum/wyostat repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Wyostat design in my own project?
The repository has no license, so all rights stay with wyolum. Use it as a reference, and ask the author before reusing the design.