Table of Contents

ICs to have a look at

MFN MFP Description Datasheet
Bosch BME280 Sensor: Temperature, Humidity & Barometric pressure [PDF]
Microchip MCP73831 USB (5V) Lithium charger, fix.V, adj.I (0.5A), Vin<7V [PDF]
Consonance CN3082 Linear MPPT Lithium charger adj.V, adj.I (0.6A), Vin<6.5V [PDF]
TI TSP61200 Step-up Boost: 0.3V<Vin<5.5V, 1.8V<Vout<5.5V, 1.3A Imax, adj.UVLO [PDF]
TI TPL5110 Nano-power System Timer for Power Gating 35nA [PDF]
ST STM1061 Low power voltage detector fix.V 0.9µA [PDF]
ON NCP1402 Boost Converter, PFM, Micropower, 200mA, 1µA std.by, fix.Vout [PDF]
TI LMS33460 Ultra Low Power Space Saving 3V Under Voltage Detector 1µA [PDF]
TI TPS383x 150nA, Ultralow Power, Supply Voltage Monitor [PDF]
ALD ALD810027SCL Precision Supercapacitor Auto Balancing (SAB™) MOSFETs [PDF]
ST SPV1040 High efficiency solar battery charger with embedded MPPT [PDF]
ST TSU111 Nanopower (900 nA), high accuracy (150 uV) 5V CMOS Op-Amp, rail-to-rail I/O, single [PDF]
Si Si4685-A10 Single-Chip, AM/FM/DAB/DAB+ Radio Receiver [PDF]
Semtech TS52003 High Efficiency SuperCap Charger for Photovoltaic Sources :!: EOL [PDF]
u-blox CAM-M8 series GNSS(GPS/GLONASS/BeiDou/Galileo) receiver module with antenna. SMD [PDF]
Si Si1133 UV Index Sensor and Ambient Light Sensor with I²C [PDF]
Microchip TC682 10mA inverting voltage doubler 5V -> -10V [PDF]
NordicSemi nRF52840 Cortex-M4F, 1MB flash, 256kB RAM, 2.4GHz trx (BTLE BT5, 802.15.4, ANT, nRF24) [PDF]
Vishay VEML6075 Light Sensor, UVA & UVB, I²C, 1.7V-3.6V [PDF]
Microchip AT30TS74 Temperature sensor, +-1*C, 12bit, I²C, 130 µA, 1.7V-5.5V [PDF]
TI INA781 85-V, 20-bit ultra-precise I²C-output digital power monitor with 400-µΩ EZShunt™ Technology [PDF]
TI BQ25756 Stand-alone or I²C-controlled 70-V bidirectional buck-boost charge controller with MPPT [PDF]

Real Time Clocks

MFN MFP V Vbat I Ibat RAM EEPROM Alarm Res IF Datasheet
NXP PCF85363ATT 1.8V - 5.5V 0.9V - 5.5V 280nA-10µA 280nA-650nA 64B ✘ ✔✔ I²C [PDF]
TI BQ32000 3.0V - 3.6V 1.4V - 3.6V 100µA 1.2µA - 1.5µA ✘ ✘ ✘ I²C [PDF]
Microchip MCP79412 1.8V - 5.5V 1.3V - 5.5V 1.2µA - 3mA 925nA - 9µA 64B 128B ✔✔ 1Hz I²C [PDF]
Micro crystal RV-1805-C3 1.6V - 3.6V 1.5V - 3.6V 17nA - 6µA 17nA - 80nA 512B ✘ ✔✔ 2ppm I²C [PDF] [PDF]

* Alarm

Core system (µC/SOC/Devboard)

Name + -
PiZW Linux, WiFi, Large community Broadcom, destroyer of SD cards, relatively high power usage
Name Voltage Speed RAM Flash EEPROM UART SPI I2C I2S USB GPIO CAN Ethernet ADC PWM
PiZW 5V 1 GHz 512 MB ✘ (µSD) ✘ 1 2 2 ✔ Host 28 ✘ ✘ ✘ 2
ATmega328P (Uno) 1.8-5.5V 20 MHz 2 kB 32 kB 1 kB 1 2 1 ✘ ✘ 23 ✘ ✘ 8 6
ATmega32U4 (Leonardo) 2.7-5.5V 16 MHz 2.5kB 32 kB 1 kB 1 2 1 ✘ ✔ 26 ✘ ✘ 12 14
HiFive1 5V 320 MHz 16 kB 2 MB ✘ 1 1 ✘ ✘ Prog 19 ✘ ✘ ✘ 9
nRF52840 1.7-5.5V 64 MHz 256 kB 1 MB ✘ 2 4 2 ✔ ✔ 48 ✘ ✘ 8 16
nRF52832 1.7-3.6V 64 MHz 512 kB 64 kB ✘ 1 3 2 ✔ ✘ 32 ✘ ✘ 8 12
ESP-12E 3.3V 160 MHz 80 kB ✘ (4 MB) ✘ 2 1 1 ✔ ✘ 9 ✘ ✘ 1 4

Wireless comms

Name 434 MHz 868 MHz 2.4 GHz 5 GHz SPI I2C UART WiFi BT BT LE ANT nRF24 NFC 802.15.4 LoRa FSK MSK OOK
nRF52840 ✘ ✘ ✔ ✘ ✔ ✔ ✔ ✘ ✔ ✔ ✔ ✔ ✔ ✔ ✘ ✘ ✘ ✘
nRF52832 ✘ ✘ ✔ ✘ ✔ ✔ ✔ ✘ ✔ ✔ ✔ ✔ ✔ ✘ ✘ ✘ ✘ ✘
ESP-12E ✘ ✘ ✔ ✘ ✔ ✔ ✔ ✔ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘
RFM69 ✔ ✔ ✘ ✘ ✔ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✘ ✔ ✔ ✔

Chip Manufacturers

TI Texas Instruments
Microchip
ON ON Semiconductors
Linear Technology
ST STMicroelectronics
Maxim Integrated
Analog Devices
Si Silicon Labs
Semtech
NXP NXP
ALD Advanced Linear Devices

Distributors

DigiKey (no)
Farnell (no)
Mouser (no)
LCSC
Elfa (no)

Tools

Name Price License Features / tasks Links
OpenPNP GPL Pick & place Source
Controleo 110 – 300 USD GPL Solder reflow controller Firmware v3
TS100 Soldering iron Alternative firmware
Smoothieware 64 – 155 EUR GPL, OHL CNC controller Hardware Firmware
ODrive 120 – 160 USD MIT Brush-less servo controller Hardware Firmware