# Personal-Dosimeter ## Description Small personal dosimeter based on SBM-21 Geiger tube with OLED display. ## Project Details - **Owner:** aleksey - **Created:** 10/15/2021 - **Last Updated:** 10/15/2021 - **Visibility:** Public - **Stars:** 1 - **Forks:** 2 ## Key Components ### ? — ATtiny13A **Pins:** - GND - PB0 - PB1 - PB2 - PB3 - PB4 - PB5 - VCC ### +5V — Power Symbol **Pins:** - P1 ### +5V — Power Symbol **Pins:** - P1 ### +5V — Power Symbol **Pins:** - P1 ### +5V — Power Symbol **Pins:** - P1 ### +5V — Power Symbol **Pins:** - P1 ### +5V — Power Symbol **Pins:** - P1 ### +5V — Power Symbol **Pins:** - P1 ### +5V — Power Symbol **Pins:** - P1 ### +5V — Power Symbol **Pins:** - P1 ### +5V — Power Symbol **Pins:** - P1 ### +5V — Power Symbol **Pins:** - P1 ### +5V — Power Symbol **Pins:** - P1 ### +5V — Power Symbol **Pins:** - P1 ### BT19 — [Single Cell Battery](https://www.flux.ai/lwcassid/single-cell-battery~9f.md) - Voltage: 3V **Pins:** - ANODE - CATHODE ### BUZZ1 — [Buzzer](https://www.flux.ai/lwcassid/buzzer~ip.md) **Pins:** - undefined - undefined ### BUZZER — Label **Pins:** - P1 - P2 ### BUZZER — Label **Pins:** - P1 - P2 ### D1 — [PN Junction Diode](https://www.flux.ai/jharwinbarrozo/pn-junction-diode~z7.md) - Breakdown Voltage: 50V - Series Resistance: 0.0286Ω - Emission Coefficient: 2.00 - Saturation Current: 1.88e-9A **Pins:** - ANODE - CATHODE ### D13 — [PN Junction Diode](https://www.flux.ai/jharwinbarrozo/pn-junction-diode~z7.md) - Breakdown Voltage: 50V - Series Resistance: 0.0286Ω - Emission Coefficient: 2.00 - Saturation Current: 1.88e-9A **Pins:** - ANODE - CATHODE ### D2 — [PN Junction Diode](https://www.flux.ai/jharwinbarrozo/pn-junction-diode~z7.md) - Saturation Current: 1.88e-9A - Breakdown Voltage: 50V - Emission Coefficient: 2.00 - Series Resistance: 0.0286Ω **Pins:** - ANODE - CATHODE ### D3 — [PN Junction Diode](https://www.flux.ai/jharwinbarrozo/pn-junction-diode~z7.md) - Breakdown Voltage: 50V - Emission Coefficient: 2.00 - Series Resistance: 0.0286Ω - Saturation Current: 1.88e-9A **Pins:** - ANODE - CATHODE ### D5 — [PN Junction Diode](https://www.flux.ai/jharwinbarrozo/pn-junction-diode~z7.md) - Saturation Current: 1.88e-9A - Emission Coefficient: 2.00 - Series Resistance: 0.0286Ω - Breakdown Voltage: 50V **Pins:** - ANODE - CATHODE ### D6 — [PN Junction Diode](https://www.flux.ai/jharwinbarrozo/pn-junction-diode~z7.md) - Emission Coefficient: 2.00 - Series Resistance: 0.0286Ω - Breakdown Voltage: 50V - Saturation Current: 1.88e-9A **Pins:** - ANODE - CATHODE ### D7 — [PN Junction Diode](https://www.flux.ai/jharwinbarrozo/pn-junction-diode~z7.md) - Breakdown Voltage: 50V - Emission Coefficient: 2.00 - Series Resistance: 0.0286Ω - Saturation Current: 1.88e-9A **Pins:** - ANODE - CATHODE ### D8 — [PN Junction Diode](https://www.flux.ai/jharwinbarrozo/pn-junction-diode~z7.md) - Saturation Current: 1.88e-9A - Emission Coefficient: 2.00 - Series Resistance: 0.0286Ω - Breakdown Voltage: 50V **Pins:** - ANODE - CATHODE ### DETECTION — Label **Pins:** - P1 - P2 ### DETECTOR — Label **Pins:** - P1 - P2 ### LP14 — [SBM-21](https://www.flux.ai/vasy_skral/sbm-21~35s.md) - Part Type: Geiger Counter - Manufacturer Name: NA - Datasheet URL: https://i.etsystatic.com/15848285/r/il/3039cb/1563238908/il_570xN.1563238908_b7mp.jpg - Manufacturer Part Number: SBM-21 **Pins:** - ~ - ~ ### OLED_EN — Label **Pins:** - P1 - P2 ### OLED_EN — Label **Pins:** - P1 - P2 ### Q1 — [NPN Transistor](https://www.flux.ai/jharwinbarrozo/npn-transistor~hqd.md) - Leakage Current: 1e-13A - Beta / hFe: 100 **Pins:** - B - C - E ### Q12 — [NPN Transistor](https://www.flux.ai/jharwinbarrozo/npn-transistor~hqd.md) - Beta / hFe: 100 - Leakage Current: 1e-13A **Pins:** - B - C - E ### Q3 — [NPN Transistor](https://www.flux.ai/jharwinbarrozo/npn-transistor~hqd.md) - Beta / hFe: 100 - Leakage Current: 1e-13A **Pins:** - B - C - E ### Q31 — [NPN Transistor](https://www.flux.ai/jharwinbarrozo/npn-transistor~hqd.md) - Leakage Current: 1e-13A - Beta / hFe: 100 **Pins:** - B - C - E ### RES_IN — Label **Pins:** - P1 - P2 ### RES_IN — Label **Pins:** - P1 - P2 ### S1 — [Push Button](https://www.flux.ai/jharwinbarrozo/push-button~eqk.md) **Pins:** - P1 - P2 ### S2 — [Push Button](https://www.flux.ai/jharwinbarrozo/push-button~eqk.md) **Pins:** - P1 - P2 ### S4 — [SPST Switch](https://www.flux.ai/jharwinbarrozo/spst-switch~rcl.md) **Pins:** - P1 - P2 ### SCL — Label **Pins:** - P1 - P2 ### SCL — Label **Pins:** - P1 - P2 ### SDA — Label **Pins:** - P1 - P2 ### SDA — Label **Pins:** - P1 - P2 ### SW_1 — Label **Pins:** - P1 - P2 ### SW_1 — Label **Pins:** - P1 - P2 ### SW_2 — Label **Pins:** - P1 - P2 ### SW_2 — Label **Pins:** - P1 - P2 ### U1 — [UG-2864HSWEG01](https://www.flux.ai/vasy_skral/ug-2864hsweg01~7v5.md) - Package or Case Code: SMD - Manufacturer Part Number: UG-2864HSWEG01 - Manufacturer Name: Univision Technology Inc. - Datasheet URL: https://cdn-shop.adafruit.com/datasheets/UG-2864HSWEG01.pdf - Part Type: Display Device **Pins:** - BS0 - BS1 - BS2 - C1N - C1P - C2N - C2P - D/C - D0/DI - D1/SCLK - D2 - D3 - D4 - D5 - D6 - D7 - E/RD - IREF - MT - MT2 - NC - nCS - nRES - R/W - VBAT - VCC - VCOMH - VDD - VLSS - VSS ### U17 — MT3608 - Datasheet URL: https://pdf1.alldatasheet.com/datasheet-pdf/view/1131968/ETC1/MT3608.html - Manufacturer Part Number: MT3608 - Manufacturer Name: Microchip - Part Type: Integrated Circuit - Manufacturer Part Number: MT3608 **Pins:** - EN - FB - GND - IN - NC - SW ### U35 — [ATMEGA328P-AU](https://www.flux.ai/jharwinbarrozo/atmega328p-au~cx.md) - Manufacturer Name: Microchip Technology - Manufacturer Part Number: ATMEGA328P-AU - Package or Case Code: 32TQFP - Part Type: Microcontroller - Datasheet URL: http://www.microchip.com/mymicrochip/filehandler.aspx?ddocname=en608326 **Pins:** - ADC6 - ADC7 - AGND - AREF - AVCC - GND - GND - PB0 (ICP) - PB1 (OC1A) - PB2 (SS/OC1B) - PB3 (MOSI/OC2) - PB4 (MISO) - PB5 (SCK) - PB6 (XTAL1/TOSC1) - PB7 (XTAL2/TOSC2) - PC0 (ADC0) - PC1 (ADC1) - PC2 (ADC2) - PC3 (ADC3) - PC4 (ADC4/SDA) - PC5 (ADC5/SCL) - PC6/RESET - PD0 (RXD) - PD1 (TXD) - PD2 (INT0) - PD3 (INT1) - PD4 (XCK/T0) - PD5 (T1) - PD6 (AIN0) - PD7 (AIN1) - VCC - VCC ### V_BAT — Label **Pins:** - P1 - P2 ### V_BAT — Label **Pins:** - P1 - P2 ### V_OLED — Power Symbol **Pins:** - P1 ### V_OLED — Power Symbol **Pins:** - P1 ### V_OLED — Power Symbol **Pins:** - P1 ### V_OLED — Power Symbol **Pins:** - P1 ### X1 — [Crystal Oscillator](https://www.flux.ai/jharwinbarrozo/crystal-oscillator~i9.md) - Part Type: Oscillator - Frequency: 10MHz **Pins:** - undefined - undefined *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/aleksey/personal-dosimeter~f2](https://www.flux.ai/aleksey/personal-dosimeter~f2).* --- *Generated from [https://www.flux.ai/aleksey/personal-dosimeter~f2](https://www.flux.ai/aleksey/personal-dosimeter~f2)*