persuasive_waker
bbokser
An open source hardware alarm clock that can't be snoozed or turned off.
Components (28)
| Reference | Value | Description |
|---|---|---|
| IC1 | SHT40-BD1B-R2 | SENSIRION - SHT40-BD1B-R2 - Humidity and Temperature Sensor, Digital, 0% to 100% RH, I2C, DFN-EP-4, -40C to 125C |
| IC2 | MAX31328NELB+ | Package: 5mm x 5mm 10-Pin LGA |
| IC3 | PEC11S-929K-S0015 | PEC11S Series - 12 mm SMD Incremental Encoder. |
| Q1 | Si1308EDL-T1-GE3 | MOSFET N-Ch 30V 1.5A TrenchFET SC70 Vishay Si1308EDL-T1-GE3 N-channel MOSFET Transistor, 1.5 A, 30 V, 3-Pin SC-70 |
| Q2,Q3 | DMG2305UX-7 | MOSFET P-Ch 20V 5A Enhancement SOT23 Diodes Inc DMG2305UX-7 P-channel MOSFET Transistor, -3.3 A, -20 V, 3-Pin SOT-23 |
| Q4 | 2SC5585TL | Bipolar Transistors - BJT NPN 12V 0.5A SOT-416 |
| U1 | RaspberryPi_Pico | Versatile and inexpensive microcontroller module (with full pinout for test point and debug connections) powered by RP2040 dual-core Arm Cortex-M0+ processor up to 133 MHz, 264kB SRAM, 2MB QSPI flash |
| U2 | AS1115-BSST | 64 LEDs, I2C Interfaced LED Driver with Keyscan, QSOP-24 |
| U3 | TDCR1060M | |
| C1,C3,C6,C18 | 4.7uF | Unpolarized capacitor |
| C2,C4,C5,C7-C17 | 1uF | Unpolarized capacitor |
| D1-D4 | MBR0530 | 30V 0.5A Schottky Power Rectifier Diode, SOD-123 |
| J1 | FFC2B35-24-T | FFC & FPC Connectors .5mm SideEntry Flat Flex Cbl Conn 24P Sn |
| J2 | 975 | Headers & Wire Housings WIRE TO BOARD THM CONN, 3 TERM, VERT |
| J3 | M20-7920642R | 2.54mm (0.1") Pitch DIL Horizontal SMT Socket Assembly, selective gold + tin (Tape & Reel packing), 6+6 contacts |
| J4 | SM04B-SRSS-TB_LF__SN__P_ | Connector Header Surface Mount, Right Angle 4 position 0.039" (1.00mm) |
| L1 | 68 uH | Fixed Inductors 68uH 10% Wirewound |
| LED1 | WP424IDT | Kingbright WP424IDT, WP424 Series Red LED, 617 nm, 3mm (T-1), Round Lens Through Hole Package |
| LS1 | CSS-I4B20-SMT-TR | Piezo Buzzers & Audio Indicators 8.5 mm, 3.6 V, 85 dB, Surface Mount (SMT), Magnetic Audio Transducer Buzzer |
| R1,R3-R5,R7-R11 | 10kΩ | Resistor |
| R2 | 0.47Ω | Resistor |
| R6 | 180Ω | Resistor |
| R12 | 14kΩ | Resistor |
| R13 | 1kΩ | Resistor |
| R14 | 47Ω | Resistor |
| R15,R16 | 130Ω | Resistor |
| S1,S2 | RKB2SJK250SMTR_LFS | Tactile Switches J Bend SMT Term 250gf Force |
| S3-S8 | TL3301BF260QJ | TACT, 50mA, 12VDC SPST-NO, Off-(On) Surface Mount |