2 layers66.9 × 110 mm
Kitchen clock
chof747/kitchen-clock
This project is building a kitchen glock with the following functions:
74 parts
2 layers92 × 62.1 mm
Kitchen helper
chof747/kitchen-helper-hardwareHardware specs, schematics and pcb design for the kitchen helper device
- Size
- 92 × 62.1 mm
- Copper layers
- 2
- Thickness
- 0.57 mm
- Parts
- 62
- Nets
- 68
- Pads
- 208
- Tracks, vias
- 321, 46
- Pours
- 12
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 31 Oct 2022
- Updated
- 27 Apr 2023
Overview
Kitchen helper is an open-source printed circuit board by chof747, from the chof747/kitchen-helper-hardware repository on GitHub, published under the CC0-1.0 licence. It is a 2-layer board of 92 × 62.1 mm with 62 parts on 68 nets, routed with 321 tracks and 46 vias.
It is built around the ESP32-S3-WROOM-1-N8R8, FS312F-G and SS8050-G, with the WS2812B and FS8205 among its other parts. Its parts include 17 resistors, 12 capacitors, 6 transistors, 6 connectors and 5 diodes. It belongs with the ESP32 boards of this library.
Main components
5
ESP32-S3-WROOM-1-N8R8
SMD,25.5x18mm-104.5dBm -40℃~+65℃ 2.4GHz 20.5dBm 330mA 3V~3.6V 97mA Bluetooth5.0 ESP32-S3R8 On-board PCB Antenna UART、SPI、I2C、GPIO、I2S、USB SMD,25.5x18mm WiFi Modules ROHSEspressif SystemsWiFi Modules
FS312F-G
SOT-23-6-40℃~+85℃ 1 2.9V 2V~4.275V 3uA Lithium Battery Not supported Protection IC SOT-23-6 Battery Management ROHSFortune SemiconBattery Management
SS8050-G
SOT-231 NPN 1.5A 100 100MHz 100nA 25V 300mW 400mV 5V NPN SOT-23 Bipolar (BJT) ROHSComchipBipolar (BJT)
WS2812B
5mm X 5mm Surface Mount RGB LED with Intelligent ControlWorldsemiUncategorisedFS8205
SOT-23-6-55℃~+150℃ 1.2V 1W 2 N-Channel 20V 37mΩ@2.5V 6A N-Channel SOT-23-6 MOSFETs ROHSFORTUNEMOSFETs
README
README.mdkitchen-helper-hardware
Hardware specs, schematics and pcb design for the kitchen helper device
The KitchenHelper consists of the following features:
- ESP32-S3 MCU
- TFT Display
- 2 push buttons and a rotary encoder
- 2 cinch slots for NTC temperature sensors
- Buzzer to play sounds
- An addressable led row to show status information and progressy
- Battery and power management
- Programming Header
Verification
-
[Done] Programming Header
-
[Done] Display
-
[Done] Buzzer
-
[Done] Push Buttons
-
[Open] Power and Battery Management
- protection ICs
- Voltage regulation
- charging with charger board
-
[Open] Rotary Encoder schematic
- pull-up circuit
-
[Open] Addressable Status Leds
- level shifting,
- voltage from Battery
Parts
62| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 1k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R4, R5, R6, R7, R16, R17 |
| 5 | 100nF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3, C4, C5, C6, C7 |
| 5 | 1uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2, C9, C10, C11, C12 |
| 5 | 22k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R12, R13, R14, R15 |
| 5 | SS8050-G | Package_TO_SOT_SMD:SOT-23 | Q1, Q2, Q3, Q4, Q5 |
| 5 | WS2812B | LED_SMD:LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm | D1, D2, D3, D4, D5 |
| 4 | MountingHole | MountingHole:MountingHole_3mm_Pad | H1, H2, H3, H4 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | HD1, HD2, HD3, HD4 |
| 2 | 100k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R8, R9 |
| 2 | 10k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R2, R3 |
| 1 | 0.1uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C8 |
| 1 | 100 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R10 |
| 1 | 10uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1 |
| 1 | 2k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R11 |
| 1 | BTN_LEFT | Button_Switch_THT:SW_PUSH_6mm | SW2 |
| 1 | BTN_RIGHT | Button_Switch_THT:SW_PUSH_6mm | SW3 |
| 1 | Battery | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J7 |
| 1 | Buzzer | footprints:PS1240P02BT | BZ1 |
| 1 | Charger | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J6 |
| 1 | DISP_HDR | Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_Vertical | J4 |
| 1 | ESP32-S3-WROOM-1-N8R8 | footprints:ESP32S3WROOM1N8R8 | IC1 |
| 1 | FS312F-G | footprints:SOT95P280X145-6N | IC2 |
| 1 | FS8205 | footprints:FS8205 | Q6 |
| 1 | PROG_HDR | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J2 |
| 1 | RotaryEncoder_Switch | footprints:PEC12R3120FS0012 | SW4 |
| 1 | SW_Reset | Button_Switch_THT:SW_PUSH_6mm | SW1 |
| 1 | Temp 1 | footprints:MJ2509N | J1 |
| 1 | Temp 2 | footprints:MJ2509N | J3 |
| 1 | VReg 3v3 | footprints:SOT95P270X145-5N | IC3 |
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Questions
How big is the Kitchen helper PCB?
It measures 92 × 62.1 mm and has 2 copper layers, 0.57 mm thick.
What parts does the Kitchen helper use?
62 parts, built around the ESP32-S3-WROOM-1-N8R8, FS312F-G, SS8050-G and WS2812B. 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 Kitchen helper KiCad files?
From the chof747/kitchen-helper-hardware repository on GitHub, at the commit this page was made from: the board is kitchen_helper.kicad_pcb and its schematic kitchenHelper_peripherals.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Kitchen helper design in my own project?
Its repository publishes it under the CC0-1.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).