Tiny4FSK
Tiny4FSK is an open source Microchip SAM PCB design by New-England-Weather-Balloon-Society: a 4-layer, 35.1 × 76.3 mm board with 80 components (52 distinct parts). It is built around the BME280, ATGM336H-5NR32, TPS61200DRCR, ECS-327TXO-2012-33 and more. Filed under rf & radio and sensors and power & battery.
Horus Binary v2 HAB Tracker
NEW - Horus Binary v3! + quick lock mode and recovery mode
- Microcontroller - SAMD21G18A. A modern Cortex-M0+ microcontroller by Microchip. - TX Module - Si4063. A transceiver from Silicon Labs, similar to the Si4032 on RS41 radiosondes. - GPS RX Module - ATGM336H. A cheap, high-performance GPS module from ZHONGKEWEI. - Environmental Sensor - BME280. A proven sensor from Bosch for measuring temperature, pressure, and humidity. - Boost Converter - TPS61200. Boosts 1.5V battery level to 3.3V for the rest of the board from Texas Instruments. - LDO Step-Down - MCP1700. A step-down converter…
Built around
Parts list
80 components, 52 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | BME280 | Bosch_LGA-8_2.5x2.5mm_P0.65mm_ClockwisePinNumbering | U1 |
| 1 | ATGM336H-5NR32 ATGM336H | ATGM336H | U2 |
| 1 | TPS61200DRCR TPS61200DRC | Texas_S-PVSON-N10_ThermalVias | U3 |
| 1 | ECS-327TXO-2012-33 ECS-327TXO-2012 | Crystal_SMD_3225-4Pin_3.2x2.5mm | U4 |
| 1 | ATSAMD21G18A-AUT ATSAMD21G18A-A | TQFP-48_7x7mm_P0.5mm | U5 |
| 1 | SI4063-C2A-GMR SI4063 | QFN-20-1EP_4x4mm_P0.5mm_EP2.5x2.5mm_ThermalVias | U6 |
| 1 | MCP1700T-3302E/MB Linear Step-Down | MCP1700 | U7 |
| 1 | ECS-TXO-20CSMV4-260-AN ~ | ECS-TXO-20CSMV4 | U8 |
| 1 | Power Ext | PinHeader_1x03_P2.54mm_Vertical | J1 |
| 1 | GPIO | PinHeader_1x09_P2.54mm_Vertical | J2 |
| 1 | I2C | PinHeader_1x04_P2.54mm_Vertical | J3 |
| 1 | USB | PinHeader_1x04_P2.54mm_Vertical | J4 |
| 1 | USB Breakout | PinHeader_1x04_P2.54mm_Vertical | J5 |
| 1 | SPI | PinHeader_1x05_P2.54mm_Vertical | J6 |
| 1 | USB4105-GF-A-120 USBC | USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_Horizontal | J7 |
| 1 | SWD | PinHeader_2x05_P1.27mm_Vertical_SMD | J8 |
| 1 | Counterpoise | PinHeader_1x01_P2.54mm_Vertical | J9 |
| 1 | 1575AT43A0040001E 1575AT43A0040 | ANT_1575AT_JOT | AE1 |
| 1 | TX Antenna | Antenna_Whip | AE2 |
| 1 | BK-53 | BAT_53 | BT1 |
Show 32 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Switch EN | SolderJumper-2_P1.3mm_Open_Pad1.0x1.5mm | JP1 |
| 1 | PCM12SMTR Power Switch | SW_SPDT_PCM12 | SW1 |
| 1 | RST | SW_Tactile_SPST_NO_Straight_CK_PTS636Sx25SMTRLFS | SW2 |
| 1 | B1701UYG-20D000114U1930 Success | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D1 |
| 1 | B1701USD-20D000114U1930 Error | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D2 |
| 1 | B1701USD-20D000114U1930 Power | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D3 |
| 1 | BLM18AG121SN1D | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | FB1 |
| 2 | LQW15AN3N9C00D 3.9 nH | L_0402_1005Metric_Pad0.77x0.64mm_HandSolder | L1, L8 |
| 1 | LPS3015-222MRC 2.2uH | LPS3015222MRB | L2 |
| 1 | LQW15AWR22J80D 220 nH | L_0402_1005Metric_Pad0.77x0.64mm_HandSolder | L3 |
| 4 | LQW15AN14NG80D 14 nH | L_0402_1005Metric_Pad0.77x0.64mm_HandSolder | L4, L5, L6, L7 |
| 2 | GRM155R60J106ME05D 10uF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C1, C14 |
| 5 | GRM155R70J105KA12D 1uF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C2, C3, C11, C18, C22 |
| 1 | GRM188R60G226MEA0D 22uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C4 |
| 7 | GRM155R71C104KA88J 100nF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C5, C8, C9, C13, C16, C23, C29 |
| 6 | GRM155R71C104KA88J 100 nF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C6, C10, C17, C25, C26, C30 |
| 1 | GRM188R60J106KE47D 10 uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C7 |
| 1 | GRM155R60J106ME05D 10 uF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C12 |
| 1 | GJM1555C1H9R1WB01D 9.1 pF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C15 |
| 1 | GCM155R71E472KA37D 4.7 nF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C19 |
| 1 | GJM1555C1H8R0WB01D 8 pF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C20 |
| 1 | GRM1555C1H101JA01D 100 pF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C21 |
| 1 | GJM1555C1H6R0WB01D 6 pF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C24 |
| 1 | GJM1555C1H5R0WB01D 5 pF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C27 |
| 1 | GRM1555C1H1R5WA01D 2.7pF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C28 |
| 2 | RC1005F103CS 10k | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R1, R2 |
| 4 | RC0402FR-071ML 1M | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R3, R5, R6, R11 |
| 1 | RC0402JR-07180KL 180k | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R4 |
| 1 | PFR05S-221-FNH 220 | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R7 |
| 2 | RC0402FR-071ML 1.8k | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R8, R9 |
| 2 | ERJ-2RKF1501X 5k1 | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R10, R12 |
| 3 | RC0402FR-07330RL 330 | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R13, R14, R15 |
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