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Old standard For new developments please refer to the IoTaaP Wolffia and Q Link modules. Support for this standard will end on May 10, 2021.

IoTaaP Embedded standard

Compact standard for IoT add-on development modules

iotaap-embedded-logo
iotaap-embedded-standard_nobg

Pinout

IoTaaP has various I/O pins that can be configured for different features, such as PWM, DAC, SPI, ADC, etc. Some pins have some special behaviors, so be sure to check the table below.

PINInputOutputNotes
VSYSN/AN/AExternal power supply (5V MAX)
5VOUTN/AN/A5Vout (1A MAX)
GNDN/AN/AGND
3.3VN/AN/A3.3Vout (300mA MAX)
RESETN/AN/ALOW level will reset module
P2YESYESP2 or LED1
P4YESYESP4
P12YES*YESBoot will fail if HIGH
P13YESYESP13
P14YESYESOutputs PWM at boot
P15YESYESOutputs PWM at boot. P15 or LED2
P16YESYESP16
P17YESYESP17
SCL (I2C)YESYESP22 (4k7 pull-up to 3.3V)
SDA (I2C)YESYESP21 (4k7 pull-up to 3.3V)
MISO (SPI)YESYESP19 with 100R resistor
MOSI (SPI)YESYESP23 with 100R resistor
CLK (SPI)YESYESP18 with 100R resistor
CS (SPI)YESYESP5 with 100R resistor. Outputs PWM at boot
TX (Serial)TX pinYES*Debug output at boot
RX (Serial)YES*RX pinHIGH at boot
P26YESYES 
P27YESYES 
P32YESYESP32 or Buzzer
P33YESYESP33
P34YESNOP34
P35YESNOP35
A3YESNOAnalog input

IoTaaP Embedded Modules

In order to match IoTaaP Embedded Standard, your modules should match the pinout and their dimensions must be 18.00mm x 46.00mm

iotaap-module-dimensions-example
iotaap-embedded-standard_dimensions

Headers spacing

In order to match IoTaaP Embedded Standard, your modules should match the spacing between headers of 15.24mm and 5.08mm, as shown.

Documentation

More detailed documentation and examples are available at our docs pages.

OPEN DOCUMENTATION

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